function klik() { 
  if (event.button==2) { 
    alert('Prawy przycisk jest zablokowany!');
  } 
} 
document.onmousedown=klik;



function MM_openBrWindow(theURL,winName,features) { //v2.0
  window.open(theURL,winName,features);
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function setPointer(theRow, thePointerColor, theNormalBgColor)
{
    var theCells = null;

    if (thePointerColor == '' || typeof(theRow.style) == 'undefined') {
        return false;
    }
    if (typeof(document.getElementsByTagName) != 'undefined') {
        theCells = theRow.getElementsByTagName('td');
    }
    else if (typeof(theRow.cells) != 'undefined') {
        theCells = theRow.cells;
    }
    else {
        return false;
    }

    var rowCellsCnt  = theCells.length;
    var currentColor = null;
    var newColor     = null;
    if (typeof(window.opera) == 'undefined'
        && typeof(theCells[0].getAttribute) != 'undefined' && typeof(theCells[0].getAttribute) != 'undefined') {
        currentColor = theCells[0].getAttribute('bgcolor');
        newColor     = (currentColor.toLowerCase() == thePointerColor.toLowerCase())
                     ? theNormalBgColor
                     : thePointerColor;
        for (var c = 0; c < rowCellsCnt; c++) {
            theCells[c].setAttribute('bgcolor', newColor, 0);
        } // end for
    }
    else {
        currentColor = theCells[0].style.backgroundColor;
        newColor     = (currentColor.toLowerCase() == thePointerColor.toLowerCase())
                     ? theNormalBgColor
                     : thePointerColor;
        for (var c = 0; c < rowCellsCnt; c++) {
            theCells[c].style.backgroundColor = newColor;
        }
    }

    return true;
} 



function numberOnly(value){return !isNaN(value) && value ;} 
function noSpaces(value){return value.indexOf(" ") == -1 ;} 
function sevenDigits(value){return  /\b\d{7}\b/.test(value) ;} 


function sprawdz(form) {

with(form){

msg=""

//sprawdzenie maila
if (email.value.length==0){ 
		msg+= "Wypełnij pole e-mail!\n"
		} else {
			 Wzor = /^[0-9a-zA-Z.-_]+\@[0-9a-zA-Z-.-_]+\.[0-9a-zA-Z.]{2,4}$/;
	 if (Wzor.test(email.value)==false) { 
	 msg+= "Niewłaściwy format adresu e-mail!\n"
		} 
	}

if(msg){ 
 alert(msg); 
 return false;
}

return true;
}
}